Nitella gracilis f. confervacea Bréb. ex Leonh., 1863 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Charophyta class Charophyceae order Charales family Characeae genus Nitella species Nitella confervacea Name Homonyms Nitella gracilis f. confervacea Bréb. ex Leonh., 1863 Nitella gracilis var. confervacea Bréb. Nitella gracilis f. confervacea Bréb.